another bug 381157 test bustage fix, Neil had mentioned in review that this var is used after all, but someone forgot to re-insert it into further patches (or run a full test suite, obviously)

suite/common/src/nsSuiteDownloadManagerUI.js

@@ -42,6 +42,7 @@ Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
 
 const Cc = Components.classes;
 const Ci = Components.interfaces;
+const Cr = Components.results;
 const TOOLKIT_MANAGER_URL = "chrome://mozapps/content/downloads/downloads.xul";
 const DOWNLOAD_MANAGER_URL = "chrome://communicator/content/downloads/downloadmanager.xul";
 const PREF_FLASH_COUNT = "browser.download.manager.flashCount";